Respuesta:
Espero que te sirva
Explicación paso a paso:
Ejercicio A
[tex]\left(-3\right)\left(4\right)\left(-5\right)\left(8\right)\\\\\mathrm{Quitar\:los\:parentesis}:\quad \left(a\right)=a,\:-\left(-a\right)=a\\\\=3\cdot \:4\cdot \:5\cdot \:8\\\\=480[/tex]
Ejercicio B
[tex]\left(-2\right)\left(6\right)\left(-9\right)\left(-10\right)\\\\\mathrm{Quitar\:los\:parentesis}:\quad \left(a\right)=a,\:-\left(-a\right)=a\\\\=-2\cdot \:6\cdot \:9\cdot \:10\\\\=-1080[/tex]
Ejercicio C
[tex]\left(-6\right)\left(-5\right)\left(-4\right)\left(-2\right)\\\\\mathrm{Quitar\:los\:parentesis}:\quad \left(-a\right)=-a,\:-\left(-a\right)=a\\\\=6\cdot \:5\cdot \:4\cdot \:2\\\\=240[/tex]
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Respuesta:
Espero que te sirva
Explicación paso a paso:
Ejercicio A
[tex]\left(-3\right)\left(4\right)\left(-5\right)\left(8\right)\\\\\mathrm{Quitar\:los\:parentesis}:\quad \left(a\right)=a,\:-\left(-a\right)=a\\\\=3\cdot \:4\cdot \:5\cdot \:8\\\\=480[/tex]
Ejercicio B
[tex]\left(-2\right)\left(6\right)\left(-9\right)\left(-10\right)\\\\\mathrm{Quitar\:los\:parentesis}:\quad \left(a\right)=a,\:-\left(-a\right)=a\\\\=-2\cdot \:6\cdot \:9\cdot \:10\\\\=-1080[/tex]
Ejercicio C
[tex]\left(-6\right)\left(-5\right)\left(-4\right)\left(-2\right)\\\\\mathrm{Quitar\:los\:parentesis}:\quad \left(-a\right)=-a,\:-\left(-a\right)=a\\\\=6\cdot \:5\cdot \:4\cdot \:2\\\\=240[/tex]
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